Manganite is an ore/mineral of
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Pyrolusite is an ore/mineral of ___________.
______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.
What happens in an oxidation reaction?
Benzene is ______ in ethyl alcohol.
What chemical is injected into a person's body when an ant bites?
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
Which element is generally No Radioactive?
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